class_docstr: This class has pool interface but performs all work in calls to get_results. It is sometimes convenient
  to substitute a real pool with this dummy implementation.
  
  Found this class useful when profiling worker code. When on a separate thread, the worker code was not observable
  (out of the box) by the profiler
docstr: Send a work item to a worker process.
docstr_tok: ["Send","a","work","item","to","a","worker","process","."]
code: def ventilate(self, *args, **kargs):
      """Send a work item to a worker process."""
      self._ventilator_queue.append((args, kargs))
  
file_path: petastorm/petastorm/workers_pool/dummy_pool.py
imports: from time import sleep
  from petastorm.workers_pool import EmptyResultError
label_desc: Use image node_id 3 for calling the DummyPool obj's underlying member method code with example usage: obj.ventilate() without return types